21208258188

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1398

約数の個数: 180

約数和(自身を含む): 60245788680

約数和(自身を除く): 39037530492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 324, 338, 351, 409, 468, 507, 676, 702, 818, 947, 1014, 1053, 1227, 1404, 1521, 1636, 1894, 2028, 2106, 2454, 2841, 3042, 3681, 3788, 4212, 4563, 4908, 5317, 5682, 6084, 7362, 8523, 9126, 10634, 11043, 11364, 12311, 13689, 14724, 15951, 17046, 18252, 21268, 22086, 24622, 25569, 27378, 31902, 33129, 34092, 36933, 44172, 47853, 49244, 51138, 54756, 63804, 66258, 69121, 73866, 76707, 95706, 102276, 110799, 132516, 138242, 143559, 147732, 153414, 160043, 191412, 207363, 221598, 276484, 287118, 306828, 320086, 332397, 387323, 414726, 430677, 443196, 480129, 574236, 622089, 640172, 664794, 774646, 829452, 861354, 960258, 997191, 1161969, 1244178, 1329588, 1440387, 1549292, 1722708, 1866267, 1920516, 1994382, 2323938, 2488356, 2880774, 3485907, 3732534, 3988764, 4321161, 4647876, 5035199, 5598801, 5761548, 6971814, 7465068, 8642322, 10070398, 10457721, 11197602, 12963483, 13943628, 15105597, 17284644, 20140796, 20915442, 22395204, 25926966, 30211194, 31373163, 41830884, 45316791, 51853932, 60422388, 62746326, 65457587, 90633582, 125492652, 130915174, 135950373, 181267164, 196372761, 261830348, 271900746, 392745522, 407851119, 543801492, 589118283, 785491044, 815702238, 1178236566, 1631404476, 1767354849, 2356473132, 3534709698, 5302064547, 7069419396, 10604129094, 21208258188]

約数ペア:

[(1, 21208258188), (2, 10604129094), (3, 7069419396), (4, 5302064547), (6, 3534709698), (9, 2356473132), (12, 1767354849), (13, 1631404476), (18, 1178236566), (26, 815702238), (27, 785491044), (36, 589118283), (39, 543801492), (52, 407851119), (54, 392745522), (78, 271900746), (81, 261830348), (108, 196372761), (117, 181267164), (156, 135950373), (162, 130915174), (169, 125492652), (234, 90633582), (324, 65457587), (338, 62746326), (351, 60422388), (409, 51853932), (468, 45316791), (507, 41830884), (676, 31373163), (702, 30211194), (818, 25926966), (947, 22395204), (1014, 20915442), (1053, 20140796), (1227, 17284644), (1404, 15105597), (1521, 13943628), (1636, 12963483), (1894, 11197602), (2028, 10457721), (2106, 10070398), (2454, 8642322), (2841, 7465068), (3042, 6971814), (3681, 5761548), (3788, 5598801), (4212, 5035199), (4563, 4647876), (4908, 4321161), (5317, 3988764), (5682, 3732534), (6084, 3485907), (7362, 2880774), (8523, 2488356), (9126, 2323938), (10634, 1994382), (11043, 1920516), (11364, 1866267), (12311, 1722708), (13689, 1549292), (14724, 1440387), (15951, 1329588), (17046, 1244178), (18252, 1161969), (21268, 997191), (22086, 960258), (24622, 861354), (25569, 829452), (27378, 774646), (31902, 664794), (33129, 640172), (34092, 622089), (36933, 574236), (44172, 480129), (47853, 443196), (49244, 430677), (51138, 414726), (54756, 387323), (63804, 332397), (66258, 320086), (69121, 306828), (73866, 287118), (76707, 276484), (95706, 221598), (102276, 207363), (110799, 191412), (132516, 160043), (138242, 153414), (143559, 147732)]